Arouser, breeder, brother, crawler, crooner, drummer and grammar are 7 letter words. Additional words include gruffer, prowler, trainer, trooper and wrapper.
onus, opus, foul
Some six letter words with the second letter U and the last letter E are:auntiebubblebucklebudgiebungleburglebustlebutanecuddlecurarecurdlecuttlefuddlefumblefutilefuturegurgleguzzlehuddlehumanehumblehurdlehurtlehustlejugglejujubejumblejunglejunkielupinelustremuddlemufflemumblemusclemutatemuzzlenuancenubilenuzzleoutagepuddlepumicepurplepursuepuzzlequichequincerubblerufflerumblerumplerustlesubduesubtlesucklesundaesupinesupplesuturetubuletumbleturtletusslevulvaeyuppie
Some six letter words with the fifth letter L are:ampuleargyleawhilebeholdbottlebubblecattlecirclecoupledangledociledwindleeasilyembalmexhalefeeblefemalefiddleheraldinsultlovelymuddleoccultrashlyresultrevoltribaldtumultunfoldvastly
Buss (As in BUSS compression) Cuss Fuss
Some three letter words with the second letter W are:awleweoweowlowntwo
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onus, opus, foul
Some six letter words with the second letter U and the last letter E are:auntiebubblebucklebudgiebungleburglebustlebutanecuddlecurarecurdlecuttlefuddlefumblefutilefuturegurgleguzzlehuddlehumanehumblehurdlehurtlehustlejugglejujubejumblejunglejunkielupinelustremuddlemufflemumblemusclemutatemuzzlenuancenubilenuzzleoutagepuddlepumicepurplepursuepuzzlequichequincerubblerufflerumblerumplerustlesubduesubtlesucklesundaesupinesupplesuturetubuletumbleturtletusslevulvaeyuppie
Some six letter words with the fifth letter L are:ampuleargyleawhilebeholdbottlebubblecattlecirclecoupledangledociledwindleeasilyembalmexhalefeeblefemalefiddleheraldinsultlovelymuddleoccultrashlyresultrevoltribaldtumultunfoldvastly
Buss (As in BUSS compression) Cuss Fuss
Some four letter words with a second letter U are:auraburncurbcuredulldumbeurofundguruhugejumpjunklumpluremuchmutenudeoustpullpurepushrulerumpruinruserushrustsuchsurftune
Some three letter words with the second letter W are:awleweoweowlowntwo
Assuming "you" = "u", here are some: rung, bung, lung, hung, dung & sung.
Some words that have the second letter U are:augustaurabullbutchercuddlecutdunedurableeuphemismEuropefullfungungutterhurlhutjudgejumpjuryjustkudoslunchluremuchmudmullmurdernudgenullnuptialouchouroutpuddingpunchpushquailquarryquartquartzquoteruderuinrulerushruthlesssuddensuitsullensuppersuretunneltummyturkeyvulnerablevulture
Some four letter words with second letter U and last letter E are: cure, cute, dude, dune, dupe, fume, fuse, June, jute, lure, lute, mule, muse, mute, nude, pure, rude, rule, rune, ruse, sure, tube, and tune.
Some seven letter words with U as the sixth letter are;alumnusamateuramorousantiqueanxiousapplaudarduousbalefulbaroquebashfulbathtubbiliousbreakupbrusquebulbouscadmiumcalciumcallouscarefulcoconutcontourcookoutcopiouscraniumcumuluscuriousdecorumdefrauddevaluedeviousdolefuldubiousdutifuleardrumearplugenviousfalloutfatefulfatiguefatuousfearfulferrousfibrousfulcrumfuriousgaseousglamourgleefulgrownuphaircuthalibuthandfulhandgunhandouthangoutharbourharmfuligneousimpetusimpiousingenueiridiumisthmusjealousketchupladybugleprousliqueurlithiumlockoutlookoutmacaquemasseurmaximummindfulminibusminimummodicumnervousnitrousnostrumnoxiousnucleusobliqueobviousoctopusodorousominousomnibusonerousopossumoptimumoverdueoverrunpainfulpapyrusparlourphalluspiteouspitifulplayfulpompouspremiumpronounquantumraucousregroupreissueresiduerestfulretinuerevenuerhodiumrhombusriotousrosebudroundupruinoussanctumsaviourseriousshakeuptenuoustetanusturnouturaniumvacuousvariousviciousviscouswakefulwashoutwashtubwillfulwiseguywishfulwistfulwithoutwoodcutworkoutzealouszestful
I don't know the total number, but some examples are below:shetheacheechobushypushymushypithybatheflashyscathewritheblithesootheraunchyhealthywealthytrashyphotographycalligraphymammographytomographytelepathyempathyapathyantipathysympathybiographybreatheseethescythecrunchycatchyblotchypatchyscratchyfilthyfishystarchymonarchypatriarchymatriarchyworthy